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CHINT OVT-X3 User Instruction

Overvoltage release
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NO:2020.04
OVT-X3
Overvoltage Release
User Instruction

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Summary of Contents for CHINT OVT-X3

  • Page 1 NO:2020.04 OVT-X3 Overvoltage Release User Instruction...

  • Page 2: Safety Warning

    Safety Warning Installation in any damp, condensed-phase environment with inflammable and explosive gas is forbidden. Do not use wet hands to operate the product. You are prohibited from touching the conductive part when the product is operating. When the product is being installed or maintained, the power must be switched off.

  • Page 3: Purpose Of Use

    Purpose of Use OVT-X3 overvoltage release is applicable to circuits with frequency of AC 50Hz or 60Hz and rated voltage of 230V. It is used with NXB-125 series circuit breakers. When the voltage at release end is higher than overvoltage protection range, the release will operate and the circuit breaker will break automatically, so as to provide overvoltage protection for the circuit.

  • Page 4: Installation

    Installation 1. Outline and installation dimensions Unit:mm -0.43 50.5±0.31 75.2 2. Assembly ② ① Remove the right cover of the circuit breaker...
  • Page 5 3. Disassembly 4. Wiring: copper wires only Strip length Cross-sectional area of copper wire 1mm² Wiring torque 0.8N·m...

  • Page 6: Maintenance

    Maintenance Check the overvoltage release and the installed circuit breaker on a regular basis during operation; If the circuit breaker cuts off overload or short circuit current, please eliminate the fault first before closing the release. Table 2 Fault analysis and troubleshooting Symptoms Cause analysis Troubleshooting method...
  • Page 7 QC PASS OVT-X3 Overvoltage Release Check 12 Test date: Please see The packing ZHEJIANG CHINT ELECTRICS CO.,LTD.
  • Page 8 OVT-X3 Overvoltage Release User Instruction Zhejiang Chint Electrics Co., Ltd. Add: No.1, CHINT Road, CHINT Industrial Zone,North Baixiang, Yueqing, Zhejiang 325603,P.R.China E-mail: global-sales@chint.com Website: http://en.chint.com...

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